Omron ZFX-C Command Reference Manual page 38

Outputting the Error History < ERRHISTORY Command >
This command outputs a history of up to five of the latest errors.
This command shows information of up to five of the latest errors by error code No. (0 to 9).
"-1" is returned other than error code No. if the number of error occurrences does not exceed five.
< Command format >
E R R H I S T O R Y
< Response format >
When processing ends successfully
, , , ,
When no error occurs
-1 , -1 , -1 , -1 , -1
Example: When handshaking timeout error occurs two times
3 , 3 , -1
When processing fails
E R C R
< Explanation of parameters >
Error Code No.
0
1
2
3
4
5
6
8
9
36
About Communication Commands
or
C R E H C R
C R
Error Code No.
(0 to 9)
C R
C R
, -1 , -1
Description
Trigger input error
Parallel command error
SD CARD access error
Parallel timeout error
USB connection error
LAN connection error
Image input error
VDIN timeout error
Camera communication error
ZFX-C Serial Communication Command Reference